In order to use the HP 39/40 connectivity kit, you must have installed the HP Graphing Caluculator USB drivers (available on the CD) and have properly connected your HP 39/40 calculator to your PC using the provided USB cable.

Download the following files:

HP 39/40 Calculator Connectivity Kit Version 2.1 Build 1218 (obsoleted)To install it, you should first un-install the existing software if you’ve installed the CD version. Then download the package into an empty directory, unzip it, and run the SETUP.EXE file.

Tetris2, a very nice Tetris game for all HP graphing calculators. Create a folder name "C:|9GP" and unzip the content there.

When you plug in the HP calculator, the computer will prompt you "Found New Hardware Wizard". Follow the wizard by click the Next button. When prompted "File Needed", type C:UsbDriver and then click Ok.

To use the HP 39/40 connectivity kit, connect your HP 39/40 to your PC, turn it on and start the HP 39/40 connectivity kit.

In order to transfer date from/to the calculator to/from the PC:

On the PC, Start the HP Calculator Connectivitiy Kit.

If this a grey box instead of the usual explorer, then there may be a connection error. Use the procedure below to establish a proper link up:

the calculator is turned on

the calculator is properly connected to the PC

the USB drivers are installed

The battery in the calculator are good

Then, disconnect the calculator from the PC for 5 second and reconnect it. You should then be able to select HPx9G+.

Turn on the Communication Log by clicking on the Log button.

On the PC, select the directory where the program is locatedC:|3GP etris2|9G-40G

To receive data/program from the PC: On the calculator, Press {Shift} {Program} and press the [RECV] option. The select the "Disk drive" option and select " OK ".

"Preparing to get program" and the following screen will appear.

Select [ OK ] and it will prompt for a file name. Select [ CHOOS ] and then Select [ OK ] to pick "TETRI20.000".

You will notice the log form on the PC displaying the communication status. Upon completion, press the {APLET} button, and the following will be display.

On 23-Oct-2012, Anonymous wrote: when i hooked up the calculator and ran the program, there was no "log" option. i tried doing to the "download calculator roms" option and receiving it from there, but my calculator just says "timeout" after a little bit.Your reply to Anonymous

On 26-Oct-2012, Peter Tong replied: I suspected it could be the USB drivers not properly loaded. Use the following link to down and install the driver... http://www.educalc.net/286482.pageYour reply to Peter Tong